Product Description > Honeycomb Ceramics Honeycomb
ceramic heat recovery media is a key component of regenerative
burner, which is widely used in iron and steel, machinery, building
materials, petrochemicals, nonferrous metal smelting and other
industries, furnace, hot air furnace, heat treatment furnace,
cracking furnace, baking, melting furnace, both in the hot furnace,
oil and gas boilers, and furnaces. The technique is to make two
ceramic media beds alternating endothermic exothermic by reversing
device. Most common applications include: RTO, (RCO), metal casting
combustor, metal melting industrial furnace, etc.Compared with
other ceramic media which have conventionally been used in
RTOs. The advantages of honeycomb monolith include a greater
thermal efficiency and a lower pressure drop across the heat
exchanger bed. The increase in thermal efficiency and lower
pressure drop generally results in smaller equipment design, lower
capital cost and lower operating cost. Honeycomb
ceramic serves as a more efficient alternative for the
following reasons: cutting fan load for significant energy saving
(low pressure drop owing to straight channels), less volume, thin
wall thickness, faster in thermal exchange. Lighter weight, so less
structural support is required. Above all, High specific surface
area means high conversion efficiency in converters occupying small
volumes. All these benefit, especially larger specific surface area
make honeycomb ceramic the better performance media across
industries.> MaterialsAlumina CeramicsAlumina Ceramics is
the most widely used advanced ceramic material. Owing to its highly
strong ionic inter-atomic bonding, alumina offers good performance
in terms of chemical and thermal stability, relatively good
strength, thermal and electrical insulation characteristics at a
reasonable price. With a range of purities and also the relatively
low cost in raw material production it is possible to utilize
alumina for wide ranging applications across a variety of different
industries.Mullite Ceramics Alumina Mullite occurs very rarely
in nature because it only forms at high temperature, low pressure
conditions, so as an industrial mineral, mullite has to be supplied
by synthetic alternatives. Mullite is a strong candidate material
for advanced ceramics in industrial process for its favourable
thermal and mechanica properties: low thermal expansion, low
thermal conductivity, excellent creep resistance, suitable high
temperature strength and outstanding stability under harsh chemical
environments.Dense Alumina & Dense CordieriteLow water absorbtion
(0-5%)High density, High heat capacityLarge specific surface area,
greater thermal efficiencyStrong anti-acid, anti-silicon,
anti-salt. Low block rateSilicon Carbide CeramicsSilicon carbide is
notable for its hardness, high melting-point and high thermal
conductivity. It can retains its strength at temperature as high as
1400 °C and offers excellent wear resistance and thermal shock
resistance. It has well-established and wide-spread industrial
applications as catalyst supports and hot-gas or molten metal
filters because of its low thermal-expansion coefficient and good
thermal-shock resistance as well as excellent mechanical and
chemical stability at elevated temperature environments.Cordierite
CeramicsCordierite has a superior thermal shock resistance due to
their intrinsic low coefficient of thermal expansion (CET), coupled
with relatively high refractoriness and high chemical stability.
Therefore, it is often used as high temperature industrial
applications, such as: heat exchangers for gas turbine engines;
honeycomb-shaped catalyst carriers in automobile exhaust
system.Corundum Ceramics 1, high purity: Al2O3> 99%,
good chemical resistance2, temperature resistance, long-term
use at 1600 °C, 1800 °C short-term3, thermal shock resistance and
good resistance to crack4, slip casting, high density, high
purity aluminaMaterial:Corundum mullite, mullite Cordierite,
Cordierite, mullite, zirconium mullite, silicon carbide composite,
etcShape:Square, rectangle, circle, triangle, hexagonal hole,
etcProduct Parameters RTO/RCO honeycomb ceramics Main
Size: L*W*G(mm) 150x 150 x 300(150) Number of Cell 25x25=625 40x40=
1600 43x43=1849 50x50=2500 60x60=3600 Width of Cell(mm) 4.95 3.02
2.81 2.38 1.98 Thickness of inner wall(mm) 1.0 0.7 0.65 0.6 0.5
Surface Area(m2/m3) 577 886 950 1084 1294 Opening Ratio(%) 68 65 65
63 63 RTO/RCO honeycomb ceramics Physical Properties: Item Aluminum
Porceian-cordierite Dense aluminum porcelain Cordierite
Mullite-Cordierite Mullite Enamel Density(g/cm3) 2.0~2.3 2.4~2.6
1.6~1.9 1.7~2.0 2.0~2.4 1.7~2.0 Bulk density (g/cm3) 0.65~0.8
0.65~0.8 0.6~0.7 0.65~0.75 0.65~0.8 0.65~0.75 Thermal Expansion
Coefficient (X10-6°C-1) (RT-800°C) ≤6 ≤6 ≤3 ≤3.5 ≤5.5 ≤6.5 Specific
heat capacity (J/Kg.k) 950~1150 1000~1200 900~1100 900~1100
1000~1150 900~1100 Thermal Conductivity (w/m.k
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